<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width, initial-scale=1.0">
		<title>Document</title>
	</head>
	<body>
		<script>
			//打印1到10000的完全数
			for (let i = 1; i <= 10000; i++) {
				//定义一个sum储存因数相加的值
				let sum = 0;
				//第二层循环 将i与j相处 如果整除sum就加1
				for (let j = 1; j < i; j++) {
					if (i % j === 0) {
						sum += j;
					}
				}
				if (i === sum) {
					document.write("完全数为：" + sum + "  ");
				}

			}
		</script>
	</body>
</html>
